Infrastructure Development Finance Company [IDFC] — wrong spelling of my first name

I had purchased four bonds on 21.02.2011 vide serial no 196044, isin ine[protected] registered folio no. Idb0156657. Distinctive no. 224688 to 224691. The bonds were issued in the name of "ajith kumar chakraborty" in place of "ajit kumar chakraborty" for which i am facing problem for encash your dividend of rs. 1600/- per year.
Request to rectify the correct name as "ajit kumar chakraborty" as stated above.
Further, redeem my four bonds as mentioned above before the maturity date on 21.02.2021 because i am facing financial hardship as a retired person.
Request to take action immediately and confirm the same staus.
Yours faithfully
Ajit kumar chakraborty
31/1a, selimpur road, po dhakuria
Kolkata 700031, mobile no. [protected] and [protected]
Email: [protected]@gmail.com